类写错了，如何只读一组数据

程序员文章站 2022-05-21 16:31:41

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类写错了，怎么只读一组数据
class_img.php





class PicInfo
{ 
	       // $sql= "select * from userinfo where username='$name' "; //书写sql 
	public function PicInfo($sql)
	{
            require_once("db_config.php"); //包含配置信息. 
	        $result= mysql_query($sql, $conn); // 执行查询语句
	        $this->picInfo = mysql_fetch_array($result); //返回查询结果到数组
		    $num_rows = mysql_num_rows($result);
			mysql_query("set names UTF8");
	        mysql_close($conn); //关闭数据库连接 
	        $this->getInfo($num_rows); //调用传递信息的方法.
	    } 
	    // 获取信息传递给属性的方法

	    private function getInfo($num_rows){ 
	        $this->pid = $this->picInfo["PID"]; 
	        $this->b_img = $this->picInfo["B_img"];	
	        $this->m_img = $this->picInfo["M_img"];
			$this->s_img = $this->picInfo["S_img"];
			$this->indicate = $this->picInfo["Indicate"];
			$this->type = $this->picInfo["type"];
		   	$this->row = $this->picInfo['row']=$num_rows;
	    } 

	    //返回每个属性的public 方法. 
		   public function getRow(){ 

	        return $this->row; 
	    } 
	    public function getPid(){ 

	        return $this->pid; 
	    } 

	    public function getB_img(){ 
	        return $this->b_img; 
	    } 

	    public function getM_img(){ 
	        return$this->m_img; 
	    } 
		  public function getS_img(){ 
	        return$this->s_img; 
	    } 
		  public function getIndicate(){ 
	        return$this->indicate; 
	    } 
		  public function getType(){ 
	        return$this->type; 
	    } 

	}

	class edit_img
	{
	public function edit_img($sql)
	{
          require_once("db_config.php"); //包含配置信息. 

	        $result= mysql_query($sql,$conn); // 执行查询语句
	     	$row=mysql_affected_rows(); //返回查询结果到数组
			if($row			{
				echo "";
				}
				else{
					echo "有".$row."组数据受到影响";
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